As the 48-year-old author and memoirist showed off her sexy bod in a tiny bikini on the beach, an impressed Sonja Morgan quipped: "“Look at the a** on Carole . . . No wonder Clooney did her for a year."

For her part, the What Remains author is now casually dating Aerosmith rocker Russ Irwin. She is the widow of Anthony Radziwill — a Polish prince and Jacqueline Kennedy Onassis' nephew — her husband of five years, who died in 1999 after a long battle with cancer.